Rottweil, Germany

Metrax Gmbh


USPTO Granted Patents = 4

% Expired Patents = 50.0


Trademarks = 1

Forward Citations = 189

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18 inventors (with patents filed for the assignee):

goldMedal Gerhard Plechinger (1 out of 1 patent)

silverMedal Bruno Roso (1 out of 1 patent)

bronzeMedal Gero V Wagner (1 out of 1 patent)

4.  Heinz Bucher (1 out of 18 patents)

5.  Norbert Kraft (1 out of 1 patent)

6.  Wilhelm Stork (1 out of 4 patents)

7.  Hao Hua (1 out of 5 patents)

8.  Yiqi Shi (1 out of 2 patents)

9.  Yijun Zheng (1 out of 1 patent)

10.  Qun Wu (0 patent)

11.  Wei Jing (0 patent)

12.  Hua Huang (0 patent)

13.  Sixing Liu (0 patent)

14.  Yilin Chen (0 patent)

15.  Yinmin Zhai (0 patent)


4 patents:

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USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#5 in Rottweil

#7,022 in Germany

Rottweil, DE
Rottweil, Germany
Forward Citations = 189

18 inventors:

Please report any incorrect information to [email protected]
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